<html>
<head>
  <title>登录</title>
</head>
<body>
  <form action="/login" method="post">
  		<legend>请登录</legend>
  		<p><input name="username" /></p>
  		<p><input name="password" type="password" /></p>
  		<p><button type="submit">登录</button></p>
  </form>
</body>
</html>